<?php

/**
 *      [Discuz!] (C)2001-2099 Comsenz Inc.
 *      This is NOT a freeware, use is subject to license terms
 *
 *      $Id: index.php 34524 2014-05-15 04:42:23Z nemohou $
 */
if (!empty($_SERVER['QUERY_STRING']) && is_numeric($_SERVER['QUERY_STRING'])) {
    $_ENV['curapp'] = 'home';
    $_GET = array('mod' => 'space', 'uid' => $_SERVER['QUERY_STRING']);
} else {

    $url = '';
    $domain = $_ENV = array();
    $jump = false;
    @include_once './data/sysdata/cache_domain.php';
    $_ENV['domain'] = $domain;
    if (empty($_ENV['domain'])) {
        $_ENV['curapp'] = 'forum';
    } else {
        $_ENV['defaultapp'] = array('portal.php' => 'portal', 'forum.php' => 'forum', 'group.php' => 'group', 'home.php' => 'home');
        $_ENV['hostarr'] = explode('.', $_SERVER['HTTP_HOST']);
        $_ENV['domainroot'] = substr($_SERVER['HTTP_HOST'], strpos($_SERVER['HTTP_HOST'], '.') + 1);
        if (!empty($_ENV['domain']['app']) && is_array($_ENV['domain']['app']) && in_array($_SERVER['HTTP_HOST'], $_ENV['domain']['app'])) {
            $_ENV['curapp'] = array_search($_SERVER['HTTP_HOST'], $_ENV['domain']['app']);
            if ($_ENV['curapp'] == 'mobile') {
                $_ENV['curapp'] = 'forum';
                if (!isset($_GET['mobile'])) {
                    @$_GET['mobile'] = '2';
                }
            }
            if ($_ENV['curapp'] == 'default' || !isset($_ENV['defaultapp'][$_ENV['curapp'] . '.php'])) {
                $_ENV['curapp'] = '';
            }
        } elseif (!empty($_ENV['domain']['root']) && is_array($_ENV['domain']['root']) && in_array($_ENV['domainroot'], $_ENV['domain']['root'])) {

            $_G['setting']['holddomain'] = $_ENV['domain']['holddomain'] ? $_ENV['domain']['holddomain'] : array('www');
            $list = $_ENV['domain']['list'];
            if (isset($list[$_SERVER['HTTP_HOST']])) {
                $domain = $list[$_SERVER['HTTP_HOST']];
                switch ($domain['idtype']) {
                    case 'subarea':
                        $_ENV['curapp'] = 'forum';
                        $_GET['gid'] = intval($domain['id']);
                        break;
                    case 'forum':
                        $_ENV['curapp'] = 'forum';
                        $_GET['mod'] = 'forumdisplay';
                        $_GET['fid'] = intval($domain['id']);
                        break;
                    case 'topic':
                        $_ENV['curapp'] = 'portal';
                        $_GET['mod'] = 'topic';
                        $_GET['topicid'] = intval($domain['id']);
                        break;
                    case 'channel':
                        $_ENV['curapp'] = 'portal';
                        $_GET['mod'] = 'list';
                        $_GET['catid'] = intval($domain['id']);
                        break;
                    case 'plugin':
                        $_ENV['curapp'] = 'plugin';
                        $_GET['id'] = $domain['id'];
                        $_GET['fromapp'] = 'index';
                        break;
                }
            } elseif (count($_ENV['hostarr']) > 2 && $_ENV['hostarr'][0] != 'www' && !checkholddomain($_ENV['hostarr'][0])) {
                $_ENV['prefixdomain'] = addslashes($_ENV['hostarr'][0]);
                $_ENV['domainroot'] = addslashes($_ENV['domainroot']);
                require_once './source/class/class_core.php';
                C::app()->init_setting = true;
                C::app()->init_user = false;
                C::app()->init_session = false;
                C::app()->init_cron = false;
                C::app()->init_misc = false;
                C::app()->init();
                $jump = true;
                $domain = C::t('common_domain')->fetch_by_domain_domainroot($_ENV['prefixdomain'], $_ENV['domainroot']);
                $apphost = $_ENV['domain']['app'][$domain['idtype']] ? $_ENV['domain']['app'][$domain['idtype']] : $_ENV['domain']['app']['default'];
                $apphost = $apphost ? 'http://' . $apphost . '/' : '';
                switch ($domain['idtype']) {
                    case 'home':
                        if ($_G['setting']['rewritestatus'] && in_array('home_space', $_G['setting']['rewritestatus'])) {
                            $url = rewriteoutput('home_space', 1, $apphost, $domain['id']);
                        } else {
                            $url = $apphost . 'home.php?mod=space&uid=' . $domain['id'];
                        }
                        break;
                    case 'group':
                        if ($_G['setting']['rewritestatus'] && in_array('group_group', $_G['setting']['rewritestatus'])) {
                            $url = rewriteoutput('group_group', 1, $apphost, $domain['id']);
                        } else {
                            $url = $apphost . 'forum.php?mod=group&fid=' . $domain['id'] . '&page=1';
                        }
                        break;
                }
            }
        } else {
            $jump = true;
        }
        if (empty($url) && empty($_ENV['curapp'])) {
            if (!empty($_ENV['domain']['defaultindex']) && !$jump) {
                if ($_ENV['defaultapp'][$_ENV['domain']['defaultindex']]) {
                    $_ENV['curapp'] = $_ENV['defaultapp'][$_ENV['domain']['defaultindex']];
                } else {
                    $url = $_ENV['domain']['defaultindex'];
                }
            } else {
                if ($jump) {
                    $url = empty($_ENV['domain']['app']['default']) ? (!empty($_ENV['domain']['defaultindex']) ? $_ENV['domain']['defaultindex'] : 'forum.php') : 'http://' . $_ENV['domain']['app']['default'];
                } else {
                    $_ENV['curapp'] = 'forum';
                }
            }
        }
    }
}
if (!empty($url)) {
    $delimiter = strrpos($url, '?') ? '&' : '?';
    if (isset($_GET['fromuid']) && $_GET['fromuid']) {
        $url .= sprintf('%sfromuid=%d', $delimiter, $_GET['fromuid']);
    } elseif (isset($_GET['fromuser']) && $_GET['fromuser']) {
        $url .= sprintf('%sfromuser=%s', $delimiter, rawurlencode($_GET['fromuser']));
    }
    header("HTTP/1.1 301 Moved Permanently");
    header("location: $url");
} else {
    require './' . $_ENV['curapp'] . '.php';
}

function checkholddomain($domain) {
    global $_G;

    $domain = strtolower($domain);
    if (preg_match("/^[^a-z]/i", $domain))
        return true;
    $holdmainarr = empty($_G['setting']['holddomain']) ? array('www') : explode('|', $_G['setting']['holddomain']);
    $ishold = false;
    foreach ($holdmainarr as $value) {
        if (strpos($value, '*') === false) {
            if (strtolower($value) == $domain) {
                $ishold = true;
                break;
            }
        } else {
            $value = str_replace('*', '.*?', $value);
            if (@preg_match("/$value/i", $domain)) {
                $ishold = true;
                break;
            }
        }
    }
    return $ishold;
}
